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 2 years ago
find the equation of the locus of a point that moves so that its distance from the line 3x4y+9=0 is always 5
 2 years ago
find the equation of the locus of a point that moves so that its distance from the line 3x4y+9=0 is always 5

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ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2let that point be P (x, y)

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2distance from a point to a line = \(\frac{Ax+By+C}{\sqrt{A^2 + B^2}}\)

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2can you put the equation for distance ? from point P(x, y) to line 3x4y+9=0

virtus
 2 years ago
Best ResponseYou've already chosen the best response.1oh so it would be (3x4y+9)/square root( 3^2 +(4)^2)

virtus
 2 years ago
Best ResponseYou've already chosen the best response.1(3x 4y+9)/5 =5 3x 4y+9 =25 3x4y 16 =0

virtus
 2 years ago
Best ResponseYou've already chosen the best response.1btw i thought there was an ABSOLUTE SIGN around Ax + By + C for the formula

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2yep! u r right.. we must get two lines

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.23x4y+9 = 25, and, 3x4y + 9 = 25

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2it tricked me.... i was thinking there should be two lines at the very end. nice catch :)

virtus
 2 years ago
Best ResponseYou've already chosen the best response.1thanks again  LOL and about writing GAPS yesterday, it wasn't meant to be rude or anything, just expressing my gratitude for your help ;)

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2lol fine i get it nw :))

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1341791339629:dw

ganeshie8
 2 years ago
Best ResponseYou've already chosen the best response.2two lines we just got... which are at a distance of 5 from the given line... they look as above
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